{"api_version":"1","generated_at":"2026-09-02T16:37:43+00:00","cve":"CVE-2026-80647","urls":{"html":"https://cve.report/CVE-2026-80647","api":"https://cve.report/api/cve/CVE-2026-80647.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-80647","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-80647"},"summary":{"title":"RDMA/hns: Fix warning in poll cq direct mode","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nRDMA/hns: Fix warning in poll cq direct mode\n\nCQs allocated by ib_alloc_cq() always have a comp_handler. Though\nin direct mode this handler is never expected to be called, it\nis still called when the driver is reset, triggering the following\nWARN_ONCE():\n\nCall trace:\nib_cq_completion_direct+0x38/0x60\nhns_roce_cq_completion+0x54/0x90 (hns_roce_hw_v2]\nhns_roce_handle_device_err+Ox1c8/0x340 [hns_roce_hw_v2]\nhns_roce_hw_v2_uninit_instance.constprop.0+0x34/0x70 [hns_roce_hw_v2]\nhns_roce_hw_v2_reset_notify+0xc4/0xe0 [hns_roce_hw_v2]\nhclge_notify_roce_client+0x60/0xbc [hclge]\nhclge_reset_rebuild+0x48/0x34c [hclge]\nhclge_reset_subtask+0xcc/0xec [hclge]\nhclge_reset_service_task+0x80/0x160 [hclge]\nhclge_service_task+0x50/0x80 (hclge]\nprocess_one_work+0x1cc/0x4d0\nworker_thread+0x154/0x414\nkthread+0x104/0x144\nret_from_fork+0x10/0x18","state":"PUBLISHED","assigner":"Linux","published_at":"2026-08-28 08:16:49","updated_at":"2026-08-28 08:16:49"},"problem_types":[],"metrics":[],"references":[{"url":"https://git.kernel.org/stable/c/c028c1977b6e61eee26bb69332453efb6513f83b","name":"https://git.kernel.org/stable/c/c028c1977b6e61eee26bb69332453efb6513f83b","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/1e56f8886d64288cf88d80af44c7b9148aeaa98b","name":"https://git.kernel.org/stable/c/1e56f8886d64288cf88d80af44c7b9148aeaa98b","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/3f19c2a3852e6ba75f3e92dd5edc4e07f3d07f4a","name":"https://git.kernel.org/stable/c/3f19c2a3852e6ba75f3e92dd5edc4e07f3d07f4a","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/95b2e44bc1e5c5d93bb58e178d914dd99a3baa6f","name":"https://git.kernel.org/stable/c/95b2e44bc1e5c5d93bb58e178d914dd99a3baa6f","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/a075a7acd155ffdd058e72eb3f4cce1207ebafa1","name":"https://git.kernel.org/stable/c/a075a7acd155ffdd058e72eb3f4cce1207ebafa1","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/9f05319149c14acedb83e2c2842ec4b38992ad9f","name":"https://git.kernel.org/stable/c/9f05319149c14acedb83e2c2842ec4b38992ad9f","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/16138ea9833d6bb1bed37a3321f282242704bf02","name":"https://git.kernel.org/stable/c/16138ea9833d6bb1bed37a3321f282242704bf02","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/e7d363c0ffa836ac1d89657686cad241392c5eb2","name":"https://git.kernel.org/stable/c/e7d363c0ffa836ac1d89657686cad241392c5eb2","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-80647","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-80647","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected f295e4cece5cb4c60715fed539abcd62468f9ef1 95b2e44bc1e5c5d93bb58e178d914dd99a3baa6f git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected f295e4cece5cb4c60715fed539abcd62468f9ef1 e7d363c0ffa836ac1d89657686cad241392c5eb2 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected f295e4cece5cb4c60715fed539abcd62468f9ef1 c028c1977b6e61eee26bb69332453efb6513f83b git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected f295e4cece5cb4c60715fed539abcd62468f9ef1 a075a7acd155ffdd058e72eb3f4cce1207ebafa1 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 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semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 5.15.212 5.15.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.1.178 6.1.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.6.145 6.6.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.12.97 6.12.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.18.40 6.18.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.1.5 7.1.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.2 * original_commit_for_fix","platforms":[]}],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[],"vendor_comments":[],"enrichments":{"kev":null,"epss":{"cve_year":"2026","cve_id":"80647","cve":"CVE-2026-80647","epss":"0.001760000","percentile":"0.072580000","score_date":"2026-08-30","updated_at":"2026-08-31 00:14:06"},"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"cna":{"affected":[{"defaultStatus":"unaffected","product":"Linux","programFiles":["drivers/infiniband/hw/hns/hns_roce_main.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"95b2e44bc1e5c5d93bb58e178d914dd99a3baa6f","status":"affected","version":"f295e4cece5cb4c60715fed539abcd62468f9ef1","versionType":"git"},{"lessThan":"e7d363c0ffa836ac1d89657686cad241392c5eb2","status":"affected","version":"f295e4cece5cb4c60715fed539abcd62468f9ef1","versionType":"git"},{"lessThan":"c028c1977b6e61eee26bb69332453efb6513f83b","status":"affected","version":"f295e4cece5cb4c60715fed539abcd62468f9ef1","versionType":"git"},{"lessThan":"a075a7acd155ffdd058e72eb3f4cce1207ebafa1","status":"affected","version":"f295e4cece5cb4c60715fed539abcd62468f9ef1","versionType":"git"},{"lessThan":"9f05319149c14acedb83e2c2842ec4b38992ad9f","status":"affected","version":"f295e4cece5cb4c60715fed539abcd62468f9ef1","versionType":"git"},{"lessThan":"16138ea9833d6bb1bed37a3321f282242704bf02","status":"affected","version":"f295e4cece5cb4c60715fed539abcd62468f9ef1","versionType":"git"},{"lessThan":"1e56f8886d64288cf88d80af44c7b9148aeaa98b","status":"affected","version":"f295e4cece5cb4c60715fed539abcd62468f9ef1","versionType":"git"},{"lessThan":"3f19c2a3852e6ba75f3e92dd5edc4e07f3d07f4a","status":"affected","version":"f295e4cece5cb4c60715fed539abcd62468f9ef1","versionType":"git"}]},{"defaultStatus":"affected","product":"Linux","programFiles":["drivers/infiniband/hw/hns/hns_roce_main.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"5.5"},{"lessThan":"5.5","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"5.10.*","status":"unaffected","version":"5.10.261","versionType":"semver"},{"lessThanOrEqual":"5.15.*","status":"unaffected","version":"5.15.212","versionType":"semver"},{"lessThanOrEqual":"6.1.*","status":"unaffected","version":"6.1.178","versionType":"semver"},{"lessThanOrEqual":"6.6.*","status":"unaffected","version":"6.6.145","versionType":"semver"},{"lessThanOrEqual":"6.12.*","status":"unaffected","version":"6.12.97","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.40","versionType":"semver"},{"lessThanOrEqual":"7.1.*","status":"unaffected","version":"7.1.5","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"7.2","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"5.10.261","versionStartIncluding":"5.5","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"5.15.212","versionStartIncluding":"5.5","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.1.178","versionStartIncluding":"5.5","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.6.145","versionStartIncluding":"5.5","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.12.97","versionStartIncluding":"5.5","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.18.40","versionStartIncluding":"5.5","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.1.5","versionStartIncluding":"5.5","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.2","versionStartIncluding":"5.5","vulnerable":true}],"negate":false,"operator":"OR"}]}],"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nRDMA/hns: Fix warning in poll cq direct mode\n\nCQs allocated by ib_alloc_cq() always have a comp_handler. Though\nin direct mode this handler is never expected to be called, it\nis still called when the driver is reset, triggering the following\nWARN_ONCE():\n\nCall trace:\nib_cq_completion_direct+0x38/0x60\nhns_roce_cq_completion+0x54/0x90 (hns_roce_hw_v2]\nhns_roce_handle_device_err+Ox1c8/0x340 [hns_roce_hw_v2]\nhns_roce_hw_v2_uninit_instance.constprop.0+0x34/0x70 [hns_roce_hw_v2]\nhns_roce_hw_v2_reset_notify+0xc4/0xe0 [hns_roce_hw_v2]\nhclge_notify_roce_client+0x60/0xbc [hclge]\nhclge_reset_rebuild+0x48/0x34c [hclge]\nhclge_reset_subtask+0xcc/0xec [hclge]\nhclge_reset_service_task+0x80/0x160 [hclge]\nhclge_service_task+0x50/0x80 (hclge]\nprocess_one_work+0x1cc/0x4d0\nworker_thread+0x154/0x414\nkthread+0x104/0x144\nret_from_fork+0x10/0x18"}],"providerMetadata":{"dateUpdated":"2026-08-28T06:48:56.879Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"references":[{"url":"https://git.kernel.org/stable/c/95b2e44bc1e5c5d93bb58e178d914dd99a3baa6f"},{"url":"https://git.kernel.org/stable/c/e7d363c0ffa836ac1d89657686cad241392c5eb2"},{"url":"https://git.kernel.org/stable/c/c028c1977b6e61eee26bb69332453efb6513f83b"},{"url":"https://git.kernel.org/stable/c/a075a7acd155ffdd058e72eb3f4cce1207ebafa1"},{"url":"https://git.kernel.org/stable/c/9f05319149c14acedb83e2c2842ec4b38992ad9f"},{"url":"https://git.kernel.org/stable/c/16138ea9833d6bb1bed37a3321f282242704bf02"},{"url":"https://git.kernel.org/stable/c/1e56f8886d64288cf88d80af44c7b9148aeaa98b"},{"url":"https://git.kernel.org/stable/c/3f19c2a3852e6ba75f3e92dd5edc4e07f3d07f4a"}],"title":"RDMA/hns: Fix warning in poll cq direct mode","x_generator":{"engine":"bippy-1.2.0"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2026-80647","datePublished":"2026-08-28T06:48:56.879Z","dateReserved":"2026-08-26T14:34:25.779Z","dateUpdated":"2026-08-28T06:48:56.879Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-08-28 08:16:49","lastModifiedDate":"2026-08-28 08:16:49","problem_types":[],"metrics":[],"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"80647","Ordinal":"1","Title":"RDMA/hns: Fix warning in poll cq direct mode","CVE":"CVE-2026-80647","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"80647","Ordinal":"1","NoteData":"In the Linux kernel, the following vulnerability has been resolved:\n\nRDMA/hns: Fix warning in poll cq direct mode\n\nCQs allocated by ib_alloc_cq() always have a comp_handler. Though\nin direct mode this handler is never expected to be called, it\nis still called when the driver is reset, triggering the following\nWARN_ONCE():\n\nCall trace:\nib_cq_completion_direct+0x38/0x60\nhns_roce_cq_completion+0x54/0x90 (hns_roce_hw_v2]\nhns_roce_handle_device_err+Ox1c8/0x340 [hns_roce_hw_v2]\nhns_roce_hw_v2_uninit_instance.constprop.0+0x34/0x70 [hns_roce_hw_v2]\nhns_roce_hw_v2_reset_notify+0xc4/0xe0 [hns_roce_hw_v2]\nhclge_notify_roce_client+0x60/0xbc [hclge]\nhclge_reset_rebuild+0x48/0x34c [hclge]\nhclge_reset_subtask+0xcc/0xec [hclge]\nhclge_reset_service_task+0x80/0x160 [hclge]\nhclge_service_task+0x50/0x80 (hclge]\nprocess_one_work+0x1cc/0x4d0\nworker_thread+0x154/0x414\nkthread+0x104/0x144\nret_from_fork+0x10/0x18","Type":"Description","Title":"RDMA/hns: Fix warning in poll cq direct mode"}]}}}